Finding the Fourth Proportional to 2,196.50, 3,294.75 and 553.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196.50 : 3,294.75 = 553.05 : x
2. Step 2: Convert to fraction form
   2,196.50/3,294.75 = 553.05/x
3. Step 3: Cross multiply
   2,196.50x = 3,294.75 × 553.05
4. Step 4: Simplify right side
   2,196.50x = 1,822,161.49
5. Step 5: Solve for x
   x = 1,822,161.49/2,196.50
6. Step 6: Final answer
   x = 829.58